Stats Question 15

The annual returns, in percentages, on stocks A and B for three possible states of the economy are given in the table below.

If one invested in StockA, what would be the standard deviation of the percentage return? Place your answer, in percent rounded to 1 decimal place, in the blank. For example, a standard deviation of 10.39 percent would be reported as 10.4. Do not use a percent sign.   

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